The Oyster malware, also known as Broomstick or CleanupLoader, has resurfaced in attacks disguised as popular tools like PuTTY, KeyPass, and WinSCP. This malware, active since at least 2023, tricks users into downloading malicious installers, potentially paving the way for ransomware infections such as Rhysida. CyberProof Threat Researchers recently uncovered a real-world instance in the […]
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